dianaclarke commented on a change in pull request #9738:
URL: https://github.com/apache/arrow/pull/9738#discussion_r596042150
##########
File path: python/pyarrow/tests/test_table.py
##########
@@ -271,7 +271,9 @@ def ne(xarrs, yarrs):
eq([a, c], [d])
ne([c, a], [a, c])
- assert not pa.chunked_array([], type=pa.int32()).equals(None)
+ # ARROW-4822
+ with pytest.raises(AttributeError):
+ pa.chunked_array([], type=pa.int32()).equals(None)
Review comment:
This is a behaviour change though.
Before:
```
>>> import pyarrow
>>> table = pyarrow.chunked_array([], type=pyarrow.int32())
>>> table is None
False
>>> table == None
False
```
After:
```
>>> import pyarrow
>>> table = pyarrow.chunked_array([], type=pyarrow.int32())
>>> table is None
False
>>> table == None
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "pyarrow/table.pxi", line 187, in pyarrow.lib.ChunkedArray.__eq__
return self.equals(other)
File "pyarrow/table.pxi", line 212, in pyarrow.lib.ChunkedArray.equals
CChunkedArray* other_arr = other.chunked_array
AttributeError: 'NoneType' object has no attribute 'chunked_array'
```
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